condition mean min max 3 h after light 2.2257033333333336 0.0 5.57812 6 h after light 0.909939 0.181235 1.72944 9 h after light 0.7337973333333333 0.0 1.34971 12 h after light 0.964319 0.820026 1.17054 3 h after dark 3.26605 1.51421 5.79365 6 h after dark 0.5933963333333334 0.477342 0.709323 9 h after dark 1.687406 0.801178 2.73423 12 h after dark 1.3623399999999999 0.49271 2.22525